COP8CCR9KMT8 (National) PDF资料下载 Datasheet(72/111 页)

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型号：	COP8CCR9KMT8
厂商：	National Semiconductor
文件页数：	72/111页
文件大小：	0K
描述：	IC MCU EEPROM 8BIT 32K 56-TSSOP
标准包装：	34
系列：	COP8™ 8C
核心处理器：	COP8
芯体尺寸：	8-位
速度：	20MHz
连通性：	Microwire/Plus（SPI），UART/USART
外围设备：	欠压检测/复位，POR，PWM，WDT
输入/输出数：	49
程序存储器容量：	32KB（32K x 8）
程序存储器类型：	闪存
RAM 容量：	1K x 8
电压 - 电源 (Vcc/Vdd)：	2.7 V ~ 5.5 V
数据转换器：	A/D 16x10b
振荡器型：	内部
工作温度：	-40°C ~ 85°C
封装/外壳：	56-TFSOP（0.240"，6.10mm 宽）
包装：	管件
其它名称：	*COP8CCR9KMT8

SNOS535I – OCTOBER 2000 – REVISED MARCH 2013

5.13.5 FRAMING FORMATS

The USART supports several serial framing formats (Figure 5-17). The format is selected using control

bits in the ENU, ENUR and ENUI registers.

The first format (1, 1a, 1b, 1c) for data transmission (CHL0 = 1, CHL1 = 0) consists of Start bit, seven

Data bits (excluding parity) and one or two Stop bits. In applications using parity, the parity bit is

generated and verified by hardware.

The second format (CHL0 = 0, CHL1 = 0) consists of one Start bit, eight Data bits (excluding parity) and

7/8, one or two Stop bits. Parity bit is generated and verified by hardware.

The third format for transmission (CHL0 = 0, CHL1 = 1) consists of one Start bit, nine Data bits and one or

two Stop bits. This format also supports the USART “ATTENTION” feature. When operating in this format,

all eight bits of TBUF and RBUF are used for data. The ninth data bit is transmitted and received using

two bits in the ENU and ENUR registers, called XBIT9 and RBIT9. RBIT9 is a read only bit. Parity is not

generated or verified in this mode.

The parity is enabled/disabled by PEN bit located in the ENU register. Parity is selected for 7- and 8-bit

modes only. If parity is enabled (PEN = 1), the parity selection is then performed by PSEL0 and PSEL1

bits located in the ENU register.

Note that the XBIT9/PSEL0 bit located in the ENU register serves two mutually exclusive functions. This

bit programs the ninth bit for transmission when the USART is operating with nine data bits per frame.

There is no parity selection in this framing format. For other framing formats XBIT9 is not needed and the

bit is PSEL0 used in conjunction with PSEL1 to select parity.

The frame formats for the receiver differ from the transmitter in the number of Stop bits required. The

receiver only requires one Stop bit in a frame, regardless of the setting of the Stop bit selection bits in the

control register. Note that an implicit assumption is made for full duplex USART operation that the framing

formats are the same for the transmitter and receiver.

Functional Description

相关代理商/技术参数	参数描述
COP8CCR9LVA7	功能描述:8位微控制器 -MCU RoHS:否制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
COP8CCR9LVA7/63	制造商:Texas Instruments 功能描述:
COP8CCR9LVA7/63SN	功能描述:闪存 RoHS:否制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
COP8CCR9LVA7/NOPB	功能描述:8位微控制器 -MCU RoHS:否制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
COP8CCR9LVA763SN	制造商:National Semiconductor 功能描述:MCU 8-bit COP8 CISC 32KB Flash 5V 68-Pin PLCC

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